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Cold shrinkable cross-linked cable accessory
Power Cable and Accessory
64KV/100KV full cold shrinkable cross-linked cable accessories is formed as a whole. Its unique umbrella structure is reasonable.
64KV/100KV full cold shrinkable cross-linked cable
accessories is formed as a whole. Its unique umbrella structure is reasonable.
Anti-pollution small and large umbrella is sued for external insulation
structure, applicable for IV level heavily polluted area. Unique stress cone
realize even field intensity on special surface and low operation field
strength, ensuring long-term safe operation of the terminal. Terminal rubber
prefabricated part <1PC both end dual metal structure ensure reliable
shielding and sealing. A special earth ring is designed for metal sleeve cable
and the cable terminal is reliably grounded and it is easy to disassemble the
ground wire. This product has a wide scope of application and is easy to
install.
Each performance index of the product
reaches or exceeds requirements in GB11017-2002 and IEC60840-1999.
S/N
|
Item
|
Standards
|
This
product
|
1
|
Ambient temperature
partial discharge test
|
96kV,≤5PC
|
96kV,≤3pC
|
2
|
High
temperature partial discharge test
|
96kV,≤5PC
|
96kV,≤3pC
|
3
|
Impulse
voltage test
|
±550kV, 10
times
|
±550kV, 10
times
|
4
|
Power
frequency voltage test
|
160kV,15min
|
160kV,15min/230kV,1min
|
5
|
Rainfall withstand
voltage test
|
185kV,1min
|
185kV,1min
|
6
|
Radio
interference test
|
81kV,≤450μV
|
81kV,≤300μV
|
Technical requirements:
1. Rated voltage: 64/110kV.
2. Cross-section of cable: Otherwise designed for 240mm2-1000mm2、1000mm2 and above.
3. Rated insulation level: 126/230/550kV.
Use conditions:
1. Ambient temperature: -50℃~+50℃.
2. Operating temperature: Conductor temperature at normal operation: ≤90℃.
3. Conductor temperature when short-circuit: ≤250℃.
Electrical test:
Each performance index of the product reaches or exceeds requirements in
GB11017-2002 and IEC60840-1999.